Cactus Glandiflorus therapeutic range of actions as per Boericke Materia Medica
Acts on circular muscular fibers, hence constrictions. It is the heart and arteries especially that at once respond to the influence of Cactus, producing very characteristic constrictions as of an iron band. This sensation is found in various places, oesophagus, bladder, etc. The mental symptoms produced correspond to those found when there are heart affections, sadness, and melancholy. Haemorrhage, constrictions, periodicity, and spasmodic pains. Whole body feels as if caged, each wire being twisted tighter. Atheromatous arteries and weak heart. Congestions; irregular distribution of blood. Favors formation of clots speedily. Great periodicity. Toxic goitre with cardiac symptoms. Cactus is pulseless, panting and prostrated.
Dose-Tincture (best made from flowers), to third attenuation. Higher in nervous palpitation.
Please note that the dosage of single homeopathic medicines varies from drug to drug depending upon the condition, age, sensitivity and other things. In some cases they are given as regular doses as 3-5 drops 2-3 times a day whereas in other cases they are given only once in a week, month or even in a longer period.